Woodworking Tips: Swing-Out Tool Bar .wall-mounted tool bar shown in the drawing at right. Besides holding a number of hand tools, the bar swings out from the wall. This provides easy access to additional tools mounted behind the tool bar.

Subwoofers help give a vehicle's audio system the stronger bass sound that many audio enthusiasts desire. Think of the subwoofer as a low-pressure air pump, used for everything from orchestral music and.